for the prosecution's case and the investigation. >>> also today, it was jodi arias' turn to listen as travis alexander's brother and sister told the court how his brutal killing had ripped the heart out of their family. >>> we start, though, tonight in north texas where at least 13 tornadoes touched down last night, 13. a terrifying night for everyone in their path. this is what it looked like on the ground. >> dude, look at that! it's right above us! right above us! film right above us! literally look straight up! >> oh, my god! oh, my goodness! [ bleep ]. they unleashed their fury. this video was shot near bowie. imagine seeing that in your backyard. in granbury an ef-4 twister touched down, the second most severe on the scale. at least six people are confirmed dead right now, dozens more injured. as we said, a terrifying night, twister after twister ripping through north texas as people did their best to take cover. one neighborhood in granbury was particularly hard-hit. dozens of homes were destroyed or damaged. the storms wiped out the water and electricity. the devastation is immense.